<!doctype html>
<html lang="zh-cn">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>404 Not Found</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-size: 1rem;
            background-color: #fff;
        }
        .box {
            margin: 0 auto;
            padding-top: 100px;
            max-width: 380px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="box">
        <h1>404</h1>
        <p>文件不存在</p>
    </div>
</body>
</html>